Results 201 to 210 of about 6,409 (231)

Connectedness in Genetic Evaluation

Advanced Series in Agricultural Sciences, 1990
The problem of connectedness in genetic evaluation is part of the more general one of “adjusting” for nuisance parameters (e.g., herd x year x season) and of estimating genetic population means (group effects). After a review of approaches to the study of connectedness, its impact is discussed in relation to the type of model used (purely fixed or ...
J Bouix, J L Foulley, Foulley J L
exaly   +4 more sources

Evaluation of the Degrees of Genetic Connectedness Among Duroc Breed Herds [PDF]

open access: yesJournal of Animal Science and Technology, 2012
The genetic connectedness between herds is an essential requirement to make robust across-herd estimation of the breeding values of the animals. In this study, genetic connectedness between herds was evaluated by a connectedness rating method. A total of 24,971 records of days to 90 kg (D90KG) of the pigs on performance testing programs collected from ...
Chungil Cho   +6 more
exaly   +2 more sources

Assessing connectedness in across-flock genetic evaluations

Proceedings of the British Society of Animal Science, 1999
With across-flock genetic evaluations, the extent of genetic links or connectedness between animals in separate flocks affects the reliability of selection decisions. As connectedness improves, error in comparing breeding values among flocks falls. Connectedness is thought more important when founder animals (i.e.
R. M. Lewis   +3 more
openaire   +1 more source

Genetic connectedness between seven European countries for performance in jumping competitions of warmblood riding horses [PDF]

open access: yesLivestock Science, 2009
Abstract The aim of this study was to evaluate the genetic connectedness between seven European populations of show jumping horses. Data on stallions bred for jumping and their pedigree up to three generations were provided by seven countries, including 6317 stallions and 22 324 different horses.
Steven Janssens, J Philipsson
exaly   +5 more sources

Genetic and environmental influences on the relationships between family connectedness, school connectedness, and adolescent depressed mood: Sex differences.

Developmental Psychology, 1999
This study investigated (a) genetic and environmental contributions to the relationship between family and school environment and depressed mood and (b) potential sex differences in genetic and environmental contributions to both variation in and covariation between family connectedness, school connectedness, and adolescent depressed mood.
K C, Jacobson, D C, Rowe
openaire   +2 more sources

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